Home / 20,736,000.90-31,104,001.35-18,745,344.90

Finding the Fourth Proportional to 20,736,000.90, 31,104,001.35 and 18,745,344.90

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Solution

The fourth proportional to 20,736,000.90, 31,104,001.35 and 18,745,344.90 is: 28,118,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,000.90 : 31,104,001.35 = 18,745,344.90 : x
  2. Step 2: Convert to fraction form
    20,736,000.90/31,104,001.35 = 18,745,344.90/x
  3. Step 3: Cross multiply
    20,736,000.90x = 31,104,001.35 × 18,745,344.90
  4. Step 4: Simplify right side
    20,736,000.90x = 583,055,233,075,815.62
  5. Step 5: Solve for x
    x = 583,055,233,075,815.62/20,736,000.90
  6. Step 6: Final answer
    x = 28,118,017.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.